Electronic cigarette



FIG. 1 is a front, top and right perspective view of an electronic cigarette;

FIG. 2 is a rear, top and left perspective view of the electronic cigarette of FIG. 1 viewed from another viewing angle;

FIG. 3 is a front elevational view of the electronic cigarette of FIG. 1;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a right elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines depict portions of the electronic cigarette and form no part of the claimed design. 

CLAIM The ornamental design for an electronic cigarette, as shown and described. 